body, h1, h2, h3, h4, h5, h6, hr, p, blockquote, dl, dt, dd, ul, ol, li, pre, form, fieldset, legend, button, input, textarea, th, td { margin:0; padding:0; }  
body, button, input, select, textarea { font:12px/1.5tahoma, arial, \5b8b\4f53; }  
h1, h2, h3, h4, h5, h6{ font-size:100%; }  
address, cite, dfn, em, var { font-style:normal; }  
code, kbd, pre, samp { font-family:couriernew, courier, monospace; }  
small{ font-size:12px; }  
ul, ol { list-style:none; }  
a { text-decoration:none; }  
a:hover { text-decoration:underline; }  
sup { vertical-align:text-top; }  
sub{ vertical-align:text-bottom; }  
legend { color:#000; }  
fieldset, img { border:0; }
button, input, select, textarea { font-size:100%; };
html,body{
    width:100%;
    height:100%;
}
#app{
    width:100%;
    height:100%;
}